Pipette tip rack assembly



FIG. 1 is a top perspective view of a pipette tip rack assembly that includes a container and a plurality of pipette tip racks;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top perspective and exploded view thereof;

FIG. 4 is front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a side view thereof;

FIG. 8 is a top view thereof;

FIG. 9 is bottom view thereof; and,

FIG. 10 is top perspective and partially exploded view thereof, with a portion of the container separated from another portion.

The broken lines in the drawings depict portions of the pipette tip rack assembly that form no part of the claimed design. 

CLAIM The ornamental design for a pipette tip rack assembly, as shown and described. 